<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="https://cdn.jsdelivr.net/npm/vue@2.6.10/dist/vue.js"></script>
</head>
<body>
    <div id="app">
        <h1>新闻</h1>
        <ul>
            <button @click="news.unshift({id:'004', content:'新增'})">add</button>
            <li v-for="item, index of news" :key="item.id">
                <p>编号:{{item.id}}</p>
                <p>{{item.content}}</p>
            </li>
        </ul>
    </div>
    <script>
        Vue.config.productionTip = false;

        const vm = new Vue({
            el:"#app",
            data() {
                return {
                    news:[
                        {id:"001", contnet:"今天我们..."},
                        {id:"002", content:"明天要下雨..."},
                        {id:"003", content:"后天要放假..."},
                    ]
                }
            }
        })
    </script>
</body>
</html>